| Country | United Kingdom (GB) |
| UN/LOCODE | LOS |
| Name | Leigh-on-Sea |
| Name Without Diacritics | Leigh-on-Sea |
| Region | ESS |
| Function Code | 1------- |
| Function | Port |
| Status Code | AF (Approved by National Facilitation Body) |
| Date | 212 |
| Location (UN Format) | 5133N 00040E |
| Country | United Kingdom (GB) |
| UN/LOCODE | LOS |
| Name | Leigh-on-Sea |
| Name Without Diacritics | Leigh-on-Sea |
| Region | ESS |
| Function Code | 1------- |
| Function | Port |
| Status Code | AF (Approved by National Facilitation Body) |
| Date | 212 |
| Location (UN Format) | 5133N 00040E |